Simon, R and Sudarshan, ECG and Mukunda, N (1987) Gaussian Wigner distributions: a complete characterization. In: Physics Letters A, 12 (4-5). pp. 223-228.
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Abstract
Necessary and sufficient conditions on a gaussian phase space distribution to be a bona fide Wigner distribution, for any number of degrees of freedom, are derived. Williamson's theorem on the normal forms of positive matrices under symplectic transformations is used in a fundamental way.
Item Type: | Journal Article |
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Publication: | Physics Letters A |
Publisher: | Elsevier Science |
Additional Information: | The copyright of this article belongs to Elsevier Science. |
Department/Centre: | Division of Biological Sciences > Centre for Ecological Sciences |
Date Deposited: | 26 Jul 2004 |
Last Modified: | 19 Sep 2010 04:13 |
URI: | http://eprints.iisc.ac.in/id/eprint/966 |
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